A gold-nanotip optical fiber for plasmon-enhanced near-field detection | Zendy

Patrick Uebel | Zendy; S. T. Bauerschmidt | Zendy; Markus A. Schmidt | Zendy; P. St. J. Russell | Zendy

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A gold-nanotip optical fiber for plasmon-enhanced near-field detection

Author(s) -

Patrick Uebel,

S. T. Bauerschmidt,

Markus A. Schmidt,

P. St. J. Russell

Publication year - 2013

Publication title -

applied physics letters

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.182

H-Index - 442

eISSN - 1077-3118

pISSN - 0003-6951

DOI - 10.1063/1.4813115

Subject(s) - plasmon , materials science , surface plasmon resonance , surface plasmon , optical fiber , isotropic etching , localized surface plasmon , etching (microfabrication) , optoelectronics , fiber , signal (programming language) , optics , nanotechnology , nanoparticle , physics , layer (electronics) , composite material , computer science , programming language

A wet-chemical etching and mechanical cleaving technique is used to fabricate gold nanotips attached to tapered optical fibers. Localized surface plasmon resonances (tunable from 500 to 850 nm by varying the tip dimensions) are excited at the tip, and the signal is transmitted via the fiber to an optical analyzer, making the device a plasmon-enhanced near-field probe. A simple cavity model is used to explain the resonances observed in numerical simulations. (C) 2013 Author(s). All article content, except where otherwise noted, is licensed under a Creative Commons Attribution 3.0 Unported License

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